Finding the Fourth Proportional to 3,709,251.68, 5,120,520.44 and 2,486,356.02
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Solution
The fourth proportional to 3,709,251.68, 5,120,520.44 and 2,486,356.02 is: 3,432,346.45
Step by Step Solution
- Step 1: Write the proportion equation
3,709,251.68 : 5,120,520.44 = 2,486,356.02 : x - Step 2: Convert to fraction form
3,709,251.68/5,120,520.44 = 2,486,356.02/x - Step 3: Cross multiply
3,709,251.68x = 5,120,520.44 × 2,486,356.02 - Step 4: Simplify right side
3,709,251.68x = 12,731,436,809,095.27 - Step 5: Solve for x
x = 12,731,436,809,095.27/3,709,251.68 - Step 6: Final answer
x = 3,432,346.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.